#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
  // 输出5*5个星
  for (int i = 1; i <= 5; i++) {
    for (int j = 1; j <= 5; j++) {
      printf("★");
    }
    printf("\n");
  }
  printf("\n");
  for (int i = 1; i <= 5; i++) {
    for (int j = 1; j <= 5; j++) {
      printf("★");
    }
    printf("\n");
  }
  return EXIT_SUCCESS;
}
